Home / 13,937.84-19,233.97-7,888.02

Finding the Fourth Proportional to 13,937.84, 19,233.97 and 7,888.02

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Solution

The fourth proportional to 13,937.84, 19,233.97 and 7,888.02 is: 10,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.84 : 19,233.97 = 7,888.02 : x
  2. Step 2: Convert to fraction form
    13,937.84/19,233.97 = 7,888.02/x
  3. Step 3: Cross multiply
    13,937.84x = 19,233.97 × 7,888.02
  4. Step 4: Simplify right side
    13,937.84x = 151,717,940.04
  5. Step 5: Solve for x
    x = 151,717,940.04/13,937.84
  6. Step 6: Final answer
    x = 10,885.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.